package cn.edu.njuit.springbootfilmreview.config;

import com.baomidou.mybatisplus.extension.plugins.MybatisPlusInterceptor;
import com.baomidou.mybatisplus.extension.plugins.inner.PaginationInnerInterceptor;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

/**
 * @Author guzy
 * @Description 分页拦截器对象
 * @Date 2022/5/24 8:50
 **/

@Configuration
public class MPConfig {


    @Bean
    public MybatisPlusInterceptor mybatisPlusInterceptor(){
        MybatisPlusInterceptor interceptor = new MybatisPlusInterceptor();
        //分页拦截器
        PaginationInnerInterceptor paginationInnerInterceptor = new PaginationInnerInterceptor();
        // 设置请求的页面大于最大页后操作， true调回到首页，false 继续请求  默认false
//        paginationInnerInterceptor.setOverflow(false);
        // 设置最大单页限制数量，默认 500 条，-1 不受限制
        paginationInnerInterceptor.setMaxLimit(500L);
        // 开启 count 的 join 优化,只针对部分 left join
//        paginationInnerInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
        //需要可以在加入
        interceptor.addInnerInterceptor(paginationInnerInterceptor);
        return interceptor;
    }
}
